Bélanger, D., & Flynn, A. (2009). The persistence of induced abortion in Cuba: Exploring the notion of an 'abortion culture.'. Studies in Family Planning, 40(1), 13-26.

Nyer, P., & Gopinath, M. (2005). Effects of complaining versus negative word of mouth on subsequent changes in satisfaction: The role of public commitment. Psychology and Marketing, 22(12), 937-953.

Darley, J. M., & Beniger, J. R. (1981). Diffusion of energy-conserving innovations. Journal of Social Issues, 37, 2, 150-171.

Oskamp, S., Harrington, M. J., Edwards, T. C., Sherwood, D. L., Okuda, S. M., & Swanson, D. C. (1991). Factors influencing household recycling behavior. Environment and Behavior, 23, 4, 494-519.

Weenig, M. W. H. (1993). The strength of weak and strong communication ties in a community information program. Journal of Applied Social Psychology, 23, 20, 1712-1731.

Cobern, M. K., Porter, B.E., Leeming, F.C., & Dwyer, W.O. (1995). The effect of commitment on adoption and diffusion of grass cycling. Special Issue: Litter control and recycling. Environment and Behavior, 27, 2, 213-232.

Flynn, L. R., & Goldsmith, E. (1994). Opinion leadership in green consumption: An exploratory study. Journal of Social Behavior and Personality, 9, 3, 543-553.

Egri, Carolyn P.; Herman, Susan (2000). "Leadership in the North American environmental sector: Values, leadership styles, and contexts of environmental leaders and their organizations.". Academy of Management Journal, 43, 4, 571-604.

Darley, J., & Beniger, J. (1981). Diffusion of Energy-Conserving Innovations. Journal of Social Issues, 37(2), 150.